​

console.log("load ipadtouch.js");

$(function () {

    $.extend($.support, {

        touch: "ontouchend" in document

    });

    if ($.support.touch) {

        document.addEventListener("touchstart", iPadTouchHandler, false);

        document.addEventListener("touchmove", iPadTouchHandler, false);

        document.addEventListener("touchend", iPadTouchHandler, false);

        document.addEventListener("touchcancel", iPadTouchHandler, false);

        // Michel Buffa : pour traitement zoom/pinch/rotate ----------

        MBangle = 0;

        MBnewAngle=0;

        MBscale = 1;

        MBnewScale=0;

        document.addEventListener("gesturechange", getAngleAndScale, false);

        document.addEventListener("gestureend", saveChanges, false);

        // ------------------------------------------------------------

​

    }

});

​

//--------- Michel Buffa zoom/pinch/rotate -----------

function saveChanges() {

    MBangle = MBnewAngle;

    MBscale = MBnewScale;

}

function getAngleAndScale(e) {

    // Don't zoom or rotate the whole screen

    e.preventDefault();

    // Rotation and scale are event properties

    MBnewAngle = MBangle + e.rotation;

    MBnewScale = MBscale * e.scale;

    // Combine scale and rotation into a single transform

    var tString = "rotate(" + MBnewAngle + "deg) scale(" + MBnewScale + ")";

    //document.getElementById("theDiv").style.webkitTransform = tString;

    console.log("Gesture 2 doigts detectee : " + tString);

}

//----------------------------------------------------

var lastTap = null,

    tapValid = false,

    tapTimeout = null;

​

function cancelTap() {

    tapValid = false

}

var rightClickPending = false,

    rightClickEvent = null,

    holdTimeout = null,

    cancelMouseUp = false;

​

function cancelHold() {

    if (rightClickPending) {

        window.clearTimeout(holdTimeout);

        rightClickPending = false;

        rightClickEvent = null

    }

}

function startHold(a) {

    if (!rightClickPending) {

        rightClickPending = true;

        rightClickEvent = a.changedTouches[0];

        holdTimeout = window.setTimeout("doRightClick();", 800)

    }

}

​

function doRightClick() {

    rightClickPending = false;

    var a = rightClickEvent,

        b = document.createEvent("MouseEvent");

    b.initMouseEvent("mouseup", true, true, window, 1, a.screenX, a.screenY, a.clientX, a.clientY, false, false, false, false, 0, null);

    a.target.dispatchEvent(b);

    b = document.createEvent("MouseEvent");

    b.initMouseEvent("mousedown", true, true, window, 1, a.screenX, a.screenY, a.clientX, a.clientY, false, false, false, false, 2, null);

    a.target.dispatchEvent(b);

    b = document.createEvent("MouseEvent");

    b.initMouseEvent("contextmenu", true, true, window, 1, a.screenX + 50, a.screenY + 5, a.clientX + 50, a.clientY + 5, false, false, false, false, 2, null);

    a.target.dispatchEvent(b);

    cancelMouseUp = true;

    rightClickEvent = null

}

​

function iPadTouchStart(a) {

    console.log("iPadTouchStart");

    var b = a.changedTouches[0],

        g = "mouseover",

        c = document.createEvent("MouseEvent");

    c.initMouseEvent(g, true, true, window, 1, b.screenX, b.screenY, b.clientX, b.clientY, false, false, false, false, 0, null);

    b.target.dispatchEvent(c);

    g = "mousedown";

    c = document.createEvent("MouseEvent");

    c.initMouseEvent(g, true, true, window, 1, b.screenX, b.screenY, b.clientX, b.clientY, false, false, false, false, 0, null);

    b.target.dispatchEvent(c);

    if (tapValid) {

        window.clearTimeout(tapTimeout);

        if (b.target == lastTap) {

            lastTap = null;

            tapValid = false;

            g = "click";

            c = document.createEvent("MouseEvent");

            c.initMouseEvent(g, true, true, window, 1, b.screenX, b.screenY, b.clientX, b.clientY, false, false, false, false, 0, null);

            b.target.dispatchEvent(c);

            g = "dblclick";

            c = document.createEvent("MouseEvent");

            c.initMouseEvent(g, true, true, window, 1, b.screenX, b.screenY, b.clientX, b.clientY, false, false, false, false, 0, null);

            b.target.dispatchEvent(c)

        } else {

            lastTap = b.target;

            tapValid = true;

            tapTimeout = window.setTimeout("cancelTap();", 600);

            startHold(a)

        }

    } else {

        lastTap = b.target;

        tapValid = true;

        tapTimeout = window.setTimeout("cancelTap();", 600);

        startHold(a)

    }

}

​

function iPadTouchHandler(a) {

    var b = "";

    if (!(a.touches.length > 1)) {

        switch (a.type) {

        case "touchstart":

            console.log("touchstart");

            if ($(a.changedTouches[0].target).is("select")) return;

            iPadTouchStart(a);

            a.preventDefault();

            return false;

        case "touchmove":

            console.log("touchmove");

            cancelHold();

            b = "mousemove";

            a.preventDefault();

            break;

        case "touchend":

            console.log("touchend");

            if (cancelMouseUp) {

                cancelMouseUp = false;

                a.preventDefault();

                return false

            }

            cancelHold();

            b = "mouseup";

            break;

        default:

            return

        }

        a = a.changedTouches[0];

        var g = document.createEvent("MouseEvent");

        g.initMouseEvent(b, true, true, window, 1, a.screenX, a.screenY, a.clientX, a.clientY, false, false, false, false, 0, null);

        a.target.dispatchEvent(g);

        if (b == "mouseup" && tapValid && a.target == lastTap) {

            g = document.createEvent("MouseEvent");

            g.initMouseEvent("click", true, true, window, 1, a.screenX, a.screenY, a.clientX, a.clientY, false, false, false, false, 0, null);

            a.target.dispatchEvent(g)

        }

    }

};